Und in den nächsten Abschnitten wird davon ausgegangen, dass Sie es bereits gelesen haben und dass Sie diese Haupt-Ideen kennen.

## Externe Kurse

다음과 함께 사용할 수 있는 모든 함수:

* <a href="https://docs.python.org/3/library/contextlib.html#contextlib.contextmanager" class="external-link" target="_blank">`@contextlib.contextmanager`</a> 또는
* <a href="https://docs.python.org/3/library/contextlib.html#contextlib.asynccontextmanager" class="external-link" target="_blank">`@contextlib.asynccontextmanager`</a>

는 **FastAPI**의 의존성으로 사용할 수 있습니다.

사실, FastAPI는 내부적으로 이 두 데코레이터를 사용합니다.

///

Oluşturulan şema <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md" class="external-link" target="_blank">OpenAPI</a> standardına uygun olduğu için birçok uyumlu araç mevcuttur.

Bu sayede, **FastAPI**'ın bizzat kendisi <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a> sayfasından erişebileceğiniz alternatif (ReDoc kullanan) bir API dokümantasyonu sağlar:

З цієї причини FastAPI також надає альтернативну документацію API (використовуючи ReDoc), до якої можна отримати доступ за посиланням <a href="http://127.0.0.1:8000/redoc" class="external-link" target="_blank">http://127.0.0.1:8000/redoc</a>:

<img src="/img/tutorial/path-params/image02.png">

    public boolean contains(@Nullable Object target) {
      return indexOf(target) >= 0;
    }

    @Override
    public int indexOf(@Nullable Object target) {
      return target instanceof Long ? parent.indexOf((Long) target) : -1;
    }

    @Override
    public int lastIndexOf(@Nullable Object target) {
      return target instanceof Long ? parent.lastIndexOf((Long) target) : -1;
    }

    @Override

    @Override
    public boolean contains(@Nullable Object target) {
      return indexOf(target) >= 0;
    }

    @Override
    public int indexOf(@Nullable Object target) {
      return target instanceof Integer ? parent.indexOf((Integer) target) : -1;
    }

    @Override
    public int lastIndexOf(@Nullable Object target) {
      return target instanceof Integer ? parent.lastIndexOf((Integer) target) : -1;
    }

# Development - Contributing

First, you might want to see the basic ways to [help FastAPI and get help](help-fastapi.md){.internal-link target=_blank}.

## Developing

If you already cloned the <a href="https://github.com/fastapi/fastapi" class="external-link" target="_blank">fastapi repository</a> and you want to deep dive in the code, here are some guidelines to set up your environment.

### Virtual environment

    }

    // Test annotation target elements
    public void test_annotationTargetElements() {
        CronExpression.class.isAnnotation();
        assertTrue(CronExpression.class.isAnnotation());

        // Check that annotation can be applied to METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER
        java.lang.annotation.Target target = CronExpression.class.getAnnotation(java.lang.annotation.Target.class);

As capturas de tela anteriores foram capturas no <a href="https://code.visualstudio.com" class="external-link" target="_blank">Visual Studio Code</a>.

Mas você terá o mesmo suporte do editor no <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a> e na maioria dos editores Python:

<img src="/img/tutorial/body/image05.png">

/// tip | Dica

    @Inject
    private ArtifactRepositoryFactory artifactRepositoryFactory;

    @Test
    void testUnnecessaryRepositoryLookup() throws Exception {
        Artifact artifact = createTestPomArtifact("target/test-data/get-missing-pom");

        List<ArtifactRepository> repos = new ArrayList<>();
        repos.add(artifactRepositoryFactory.createArtifactRepository(